Dresden 2013 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 9: Eingeladene Vorträge 4

T 9.1: Preisträgervortrag

Donnerstag, 7. März 2013, 13:45–14:15, HSZ-02

Observation and study of the Higgs boson candidate in the diphoton decay channel with the ATLAS detector — •Kerstin Tackmann — DESY, Notkestr. 85, 22607 Hamburg --- Laureate of the Hertha-Sponer-Prize

The Standard Model has been extremely successful in describing a wide range of phenomena observed in collider experiments over the last decades. It would, however, be incomplete without a mechanism to break electroweak symmetry and to give masses to the gauge bosons and fermions. This is achieved by the Higgs mechanism, which predicts the existence of an additional scalar particle, the Higgs boson. A potential candidate for the Higgs boson has been found by the ATLAS and CMS experiments at the Large Hadron Collider in Geneva, Switzerland. I will describe the search for the Higgs boson in its decay into two photons and the studies of the newly discovered particle in this decay channel at the ATLAS experiment.